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Download >> Download Sb 400 guide number vs watt
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26 Feb 2009 Guide numbers totally baffle me (comparing fractions with different denominators? can I divide it or does the inverse square law prevent that somehow?), but Watt seconds seem AB400 @ full w/11″ long-throw reflector = 220
Intro Specs Performance Compared Usage Recommendations Nikon does not seal its boxes, so never buy at retail or any source not on my .. I use the tiny SB-400 for fill-flash all the time in all of my DSLRs, from my D40 to my D3. I don’t
23 Jan 2017
13 Nov 2010 Guide numbers are mostly used on speedlights and watts-second is being computation from Guide Number to Watts-Second and vice versa?
14 Oct 2014 Speedlights’ power is given as a Guide Number (GN), and studio lights’ power is usually given in Watt-second. I used a Nikon SB-910 Speedlight (affiliate) vs a Profoto D1 Air 500Ws studio light (affiliate). . of them, solve your problem for less than $400, deliver a beautiful light and be easier to manage.A 580EX II or Nikon SB-800/SB-900 produce around 60Ws of energy. Guide number divided by aperture equals distance, so at f/11 you’ll get
With a guide number of 21 (in meters) the SB-400 is almost twice as powerful as Light can be too much or too little – that’s a question of guide numbers and
I can borrow my friend’s studio lights, which are 2x 400 ws power. we can generally think of a high-power speedlight such as an SB-910 as an 80W light. In truth, Guide number provides the sime information as Watt Sec.
The Guide Number may be in feet or meters – we can use either so long as we are consistent (for Guide There is no equivalence of watt seconds of energy and Guide Number, so that . SB-400, GN 69, f/6.9, 17.3 feet, 1.65, 3.13?, no zoom.
When setting photoflash exposures, the guide number (GN) of photoflash devices is a measure As such, guide numbers can be reduced either to distance in meters or to f?stops depending on how . SB-900, Median .. Thus, a camera with a fastest shutter speed of 1/400 th of a second (one that began exposures 18.75
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